SECTION2
Time——30minutes
25Questions
Question1——7
Inagame，exactlysixinvertedcupsstandsidebysideinastraightline，andeachhasexactlyoneballhidden
underit.Thecupsarenumberedconsecutively1through6.Eachoftheballsispaintedasinglesolidcolor.
Thecolorsoftheballsaregreen，magenta，orange，purple，red，andyellow.Theballshavebeenhiddeny
nderthecupsinamannerthatconformstothefolowingconditions：
Thepurpleballmustbehiddenunderalower-numberedcupthantheorangeball.Theredballmustbehiddenunderacupimmediatelyadjacenttothec upunder
whichthemagentaballishidden.Thegreenballmustbehiddenundercup5.
1.Whichofthefollowingcouldbecoloroftheballsunderthecups，inorderfrom1through6？
（A）Green，yellow，magenta，red，purple，orange
（B）Magenta，green，purple，red，orange，yellow
（C）Magenta，red，purple，yellow，green，orange
（D）Red，Purple，magenta，yellow，green，orange
（E）Red，purple，magenta，yellow，green，orange
2.Ifthemagentaballisundercup4，theredballmustbeundercup
（A）1（B）2（C）3（D）4（E）5
3.Aballofwhichoffollowingcolorscouldbeundercup6？
（A）Green（B）Magenta（C）Purple（D）Red（E）Yellow
4.Ifthepurpleballisundercup4，theorangeballmustbeundercup
（A）1（B）2（C）3（D）5（E）6
5.Whichofthefollowingmustbetrue？
（A）Thegreenballisunderalower-numberedcupthanthegreenball.
（B）Theorangeballisunderalower-numberedcupthanthegreenball.
（C）Thepurpleballisunderalower-numberedcupthanthegreenball.
（D）Thepurpleballisunderalower-numberedcupthantheredball.
（E）Theredballisunderalower-numberedcupthantheyellowball.
6.Iftheorangeballisundercup2，ballsofwhichofthefollowingcolorscouldbeundercupsimmediatelya djacenttoeachother？
（A）Greenandmagenta
（B）Greenandpurple
（C）Orangeandyellow
（D）Purpleandred
（E）Redandyellow
7.Ifthemagentaballisundercup1，ballsofwhichofthefollowingcolorsmustbeundercupsimmediatelyadja centtoeachother？
（A）Greenandorange
（B）Greenandyellow
（C）Purpleandred
（D）Purpleandyellow
（E）Redandyellow
8.Thecompanyshouldnotbeheldresponsibleforfailingtocorrectthecontrol-panelproblemthatcausedtheaccident.Althoughtheproblemhadbeenmentionedearlierinasafetyinspe ctor‘sreport，companiesreceivehundredsofreportsofsuchproblem，andIndustryStandardNo.42requiresa ctiononthoseproblemonlywhenanaccidentisforeseeable.
Ifthesecondsentenceintheparagraphaboveisfactuallycorrect，theanswertowhichofthefollowingque stionsismostrelevantinhelpingtodeterminewhetherornotthecompanyviolatedIndustryStandardNo.42w henitfailedtocorrectthecontrol-panelproblem？
（A）Wastheaccidentserious？
（B）Wasthecontrol-panelproblemofatypethatisknowntoincidentthatanaccidentislikely？
（C）Sincetheaccident，hasthecompanydoneaspecialsafetycheckonallcontrolpanels？
（D）Didthesafetyinspectormentionmorethanoneprobleminthesamereport？
（E）Howlongwasthecontrolpanelinusebeforetheproblemwasdiscovered？
9.Riothamus，afifth-centurykingoftheBritons，wasbetrayedbyanassociate，foughtbravelyagainsttheGothsbutwasdefeated，anddisappearedmysteriously.
Riothamus，matchalmostexactlythoseattributedtoKingArthur.Therefore，Riothamusmustbethehistoric almodelforthelegendaryKingArthur.
Theargumentaboverequiresatleastoneadditionalpremise.Whichofthefollowingcouldbesucharequire dpremise？
（A）ModernhistorianshavedocumentedtheactivitiesofRiothamusbetterthanthoseofanyotherfifth-centuryking.
（B）ThestoriestoldaboutKingArthurarenotstrictlyfictitiousbutarebasedonahistoricalpersonandhistorical events.
（C）Riothamus‘a(chǎn)ssociatesweretheauthorsoftheoriginallegendsaboutKingArthur.
（D）Legentsaboutthefifthcenturyusuallyembellishandromanticizetheactualconditionsofthelivesoffifth-centurynobility.
（E）Posterityusuallyrememberslegendsbetterthanitrememberstheactualhistoricaleventsonwhichtheyar ebased.
10.Aworldwidebanontheproductionofcertainozone-destroyingchemicalswouldprovideonlyanillusionofprotection.Quantitiesofsuchchemicals，alreadyprod uced，existascoolantsinmillionsofrefrigerators.Whentheyreachtheozonelayerintheatmosphere，theirac tioncannotbehalted.Sothereisnowaytopreventthesechemicalsfromdamagingtheozonelayerfurther.
Whichofthefollowing，iftrue，mostseriouslyweakenstheargumentabove？
（A）Itisimpossibletomeasurewithaccuracythequantityofozone-destroyingchemicalsthatexistascoolantsinrefrigerators.
（B）Inmodernsocieties，refrigerationoffoodisnecessarytopreventunhealthyandpotentiallylife-threateningconditions.
（C）Replacementchemicalsthatwillnotdestroyozonehavenotyetbeendevelopedandwouldbemoreexpens ivethanthechemicalsnowusedascoolantsinrefrigerators.
（D）Evenifpeopleshouldgiveuptheuseofrefrigeration，thecoolantsalreadyinexistingrefrigeratorsareathrea ttoatmosphericozone.
（E）Thecoolantsinrefrigeratorcanbefullyrecoveredattheendoftheusefullifeoftherefrigeratorsandreused.
Question11——15
Agovernmentisassigningeachofsixembassyofficeworkers——Farr，Golden，Hayakawa，Inserra，Jones，andKovacs——toembassies.Therearefourembassies.EmbassiesLandMarelocatedincountrieswithdryclimates，wher easembassiesPandTarelocatedincountrieswithhumidclimates.Theofficeworkersmustbeassignedac cordingtothefollowingrules：
Eachembassymusthaveatleastoneoftheworkersassignedtoit.Atleastoneembassyinahumidclimatem usthaveatleasttwoworkersassigned
toit.GoldencannotbeassignedtothesameembassyasKovacs.Inserramustbeassignedtanembassyina dryclimates.Jonesmustbeassignedtoanembassyinahumidclimate.11.Whichofthefollowingisanaccep tableassignmentoftheworkerstotheembassies？
LMPT（A）Farr，GoldenInserra，KovacsHayakawaJones
（B）Golden，KovacsInserraJonesFarr，Hayakawa
（C）GoldenFarr，InserraKovacsJones，Hayakawa
（D）JonesGolden，InserraHayakawaFarr，Kovacs
（E）KovacsFarr，HayakawaInserraGolden，Jones
12.WhichofthefollowingmustbeassignedeithertoembassyLortoembassyM？
（A）Farr
（B）Golden
（C）Hayakawa
（D）Inserra
（E）Kovacs
13.WhichofthefollowingCANNOTbetrue？
（A）OneworkerisassignedtoL.
（B）TwoworkersisassignedtoP.
（C）TwoworkersareassignedtoL.
（D）ThreeworkersareassignedtoM.
（E）ThreeworkersareassignedtoT.
14.IfGoldenandKovacsareassignedtoLandM，respectively，whichofthefollowingmustbetrue？
（A）FarrisassignedtoeitherPorT.
（B）InserraisassignedtoeitherPorT.
（C）PandTeachhavetwoworkersassignedtothem.
（D）HayakawaisassignedtoL.
（E）HayakawaisassignedtoT.
15.IfGolden，Hayakawa，andKovacsareamongtheworkersassignedtoembassiesinhumidclimayes，whichofthefollowingmustbetrue？
（A）Farrisassignedtoanembassytowhichnoneoftheotherfiveofficeworkersisassigned.
（B）Goldenisassignedtoanembassytowhichnoneoftheotherfiveofficeworkersisassigned.
（C）JonesisassignedtothesameembassyasGolden.
（D）HayakawaisassignedtothesameembassyasGolden.
（E）HayakawaisassignedtothesameembassyasKovacs.
Question16——19
Avolunteerusesatrucktopickupdonationsofunsoldfoodandclothingfromstoresandtodeliverthemtoloc ationswheretheycanbedistributed.Hedrivesonlyalongacertainnetworkofroads.
Inthenetworktherearetwo-wayroadsconnectingeachofthefollowingpairsofpoints：1with2，1with3，1with5，2with6，3with7，5with6，and 6with7.Therearealsoone-wayroadsgoingfrom2to4，from3to2，andfrom4to3.Therearenootherroadsinthenetwork，andtheroadsint henetworkdonotintersect.
Tomakeatripinvolvingpickupsanddeliverirs，thevolunteeralwaystakesaroutethatforthewholetrippasse sthroughthefewestofthepoints1through7，countingapointtwiceifthevolunteerpassesthroughittwice.
Thevolunteer‘shomeisatpoint3.Donationscanbepickedupatasupermarketatpoint1，aclothingstoreatpoint5，andabak eryatpoint4.Deliveriescanbemadeasneededtoatutoringcenteratpoint2，adistributioncenteratpoint6，a ndashelteratpoint7.
16.Ifthevolunteerstartsatthesupermarketandnextistogototheshelter，thefirstintermediatepointhisrpute passesthroughmustbe
（A）2
（B）3
（C）5
（D）6
（E）7
17.If，startingfromhome，thevolunteernextistomakepickupsfortheshelteratthesupermarketandthebake ry（ineitherorder），thefirsttwointermediatepointsonhisroute，beginningwiththefirst，mustbe
（A）1and2
（B）1and3
（C）2and1
（D）2and4
（E）4and2
18.If，startingfromtheclothingstore，thevolunteernextistopickupbreadateitherthesupermarketorthebak ery（whicheverstopmakeshisroutegothroughthefewestofthepoints）andthenistogototheshelter，thefirsttwopointshereachesaftertheclothingstore，beginningwiththefirst，m ustbe
（A）1and2
（B）1and3
（C）4and2
（D）6and2
（E）6and4
19.Ifthevolunteeristomakeatripstartingattheshelter，nextgoingtothebakeryforapickup，andthenending atthedistributioncenter，thefirsttwointermediatepointsonhisroute，beginningwiththefirst，canbe
（A）3and1
（B）3and4
（C）4and2
（D）6and2
（E）6and5
Question20——22
Adeveloperisplanningtobuildahousingcomplexonanemptytractofland.Exactlysevendifferentstylesofh ouses——Q，R，S，T，W，X，andZ——willbebuildinthecomplex.Thecomplexwillcontainseveralblocks，andthedeveloperplanstoputhousesofa tleastthreedifferentstylesoneachblock.Thedeveloperwillbuildthecomplexaccordingtothefollowingrule s：
AnyblockthathasstyleZonitmustalsohavestyleWonit.
AnyblockadjacenttoonethathasonitbothstyleSandstyleXmusthaveonit
styleTandstyleZ.
NoblockadjacenttoonethathasonitbothstyleRandstyleZcanhaveonit
eitherstyleTorstyleW.
NoblockcanhaveonitbothstyleSandstyleQ.
20.Whichofthefollowingcanbethecompleteselectionofhousestyleonablock？
（A）Q，R，S（B）Q，S，X（C）R，T，Z（D）S，W，Z（E）T，X，Z
21.Whichofthefollowingcanbethecompleteselectionofhousestyleonablock？
（A）Q（B）R（C）S（D）W（E）X
22.Whichofthefollowingcanbethecompleteselectionofhousestyleforablockthatisadjacenttoexactlyon eblock，ifthatoneblockhasonitstyleS，T，W，andXonly？
（A）S，T，andX（B）T，X，andZ（C）R，S，X，andZ（D）S，T，W，andX（E）T，W，X，andZ
23.Whenanosprey（afish-eatinghawk）returnafromfishingtoitsnestingareawithafishlikeanalewife，apollack，orasmelt，otherospreyswillretracei tsflightpathinhopesofgoodfishing.Thereisseldomsucharesponseifthefirstbirdbringsbackawinterfloun der.Yetospreysfeedonwinterflounderjustasreadyasodanyotherfish.
Whichofthefollowing，iftrue，contributesmosttoanexplanationofthefishingbehaviorofospreysasitisdesc ribedabove？
（A）Ospreysareseldomabletocatchalewives，pollack，orsmelt.
（B）Alewives，pollack，andsmaltmoveinschools，butwinterflounderdonot.
（C）Winterflounderprefershallowerwatersthandoalewives，pollack，orsmelt.
（D）Winterflounderpreferandpollackexhibitprotectivecoloration，butalewivesandsmeltdonot.
（E）Ospreysthatliveinnestingareaareespeciallysuccessfulfishers.
24.Arecentstudyofaninsurancecompany‘sunderwritersindicatethatthosewhoworkedinpleasantphysicalsurroundingswere25percentmorepro ductivethantheirpeersinunpleasantphysicalsurroundings.Objectivecriteriaforevaluatingjobperform anceincludedcaseloadandcomplexityofcases.Thisshowsthatimprovingworkers’enviromentsincreasesthoseworkers‘productivity.
Whichofthefollowing，iftrue，mostseriouslyweakenstheconclusionabove？
（A）Onaverage，less-productiveemployeesspendnofewerhoursperdayat theirworkstationsthandotheirmore-productivepeers.
（B）Unpleasantsurroundingsgiveemployeeslessmotivationtoworkhardthan morepleasantsurroundingsdo.
（C）Themore-productiveemployeesaregenerallyrewardedwithpleasantoffice space.
（D）More-productiveemployeesdonotworkanymorehoursthantheir less-productivepeers.
（E）Peerpressurediscouragesemployeesincrowed，unpleasantsurroundings frommakingphonecallstotheirownfamilymembersduringworktime.
25.Inacertaincountry，individualtendtochangetheirpoliticalaffiliationreadilyfromonepoliticalpartyto another.InthepasttheUnionpartygrewlargerbecauseofthistendency，butalthoughmostofthosewho changetoanewpartyaffiliationchangetotheUnionparty，theUnionpartyhasremainedaboutthesame sizeinrecentyears.
Whichofthefollowing，iftrue，besthelpstoexplainthechangeinthegrowthpatternoftheUnionpartymen tionedabove？
（A）Theeconomyhasbeenprosperingrecently，andmanyofthosewhochange partyaffiliationareupwardlymobileandproperous.
（B）Inrecentyeasthosewhowerepreviouslynonaffiliatedhavetendedtojoin theUnionpartyiftheyjoinedanypartyatall.
（C）Thepercentageofvoting-agecitizenswhochangepoliticalpartyaffiliation eachyearhasremainedconstant，andthenumberofvoting-agecitizens hasremainedthesame.
（D）Thepercentageofvoting-agecitizenswhoareaffiliatedwithanypolitical partyhasincreasedoverthelasttenyears.
（E）ManymembersoftheUnipnpartyhaveabandonedallpoliticalparty affiliationinrecentyears.
Time——30minutes
25Questions
Question1——7
Inagame，exactlysixinvertedcupsstandsidebysideinastraightline，andeachhasexactlyoneballhidden
underit.Thecupsarenumberedconsecutively1through6.Eachoftheballsispaintedasinglesolidcolor.
Thecolorsoftheballsaregreen，magenta，orange，purple，red，andyellow.Theballshavebeenhiddeny
nderthecupsinamannerthatconformstothefolowingconditions：
Thepurpleballmustbehiddenunderalower-numberedcupthantheorangeball.Theredballmustbehiddenunderacupimmediatelyadjacenttothec upunder
whichthemagentaballishidden.Thegreenballmustbehiddenundercup5.
1.Whichofthefollowingcouldbecoloroftheballsunderthecups，inorderfrom1through6？
（A）Green，yellow，magenta，red，purple，orange
（B）Magenta，green，purple，red，orange，yellow
（C）Magenta，red，purple，yellow，green，orange
（D）Red，Purple，magenta，yellow，green，orange
（E）Red，purple，magenta，yellow，green，orange
2.Ifthemagentaballisundercup4，theredballmustbeundercup
（A）1（B）2（C）3（D）4（E）5
3.Aballofwhichoffollowingcolorscouldbeundercup6？
（A）Green（B）Magenta（C）Purple（D）Red（E）Yellow
4.Ifthepurpleballisundercup4，theorangeballmustbeundercup
（A）1（B）2（C）3（D）5（E）6
5.Whichofthefollowingmustbetrue？
（A）Thegreenballisunderalower-numberedcupthanthegreenball.
（B）Theorangeballisunderalower-numberedcupthanthegreenball.
（C）Thepurpleballisunderalower-numberedcupthanthegreenball.
（D）Thepurpleballisunderalower-numberedcupthantheredball.
（E）Theredballisunderalower-numberedcupthantheyellowball.
6.Iftheorangeballisundercup2，ballsofwhichofthefollowingcolorscouldbeundercupsimmediatelya djacenttoeachother？
（A）Greenandmagenta
（B）Greenandpurple
（C）Orangeandyellow
（D）Purpleandred
（E）Redandyellow
7.Ifthemagentaballisundercup1，ballsofwhichofthefollowingcolorsmustbeundercupsimmediatelyadja centtoeachother？
（A）Greenandorange
（B）Greenandyellow
（C）Purpleandred
（D）Purpleandyellow
（E）Redandyellow
8.Thecompanyshouldnotbeheldresponsibleforfailingtocorrectthecontrol-panelproblemthatcausedtheaccident.Althoughtheproblemhadbeenmentionedearlierinasafetyinspe ctor‘sreport，companiesreceivehundredsofreportsofsuchproblem，andIndustryStandardNo.42requiresa ctiononthoseproblemonlywhenanaccidentisforeseeable.
Ifthesecondsentenceintheparagraphaboveisfactuallycorrect，theanswertowhichofthefollowingque stionsismostrelevantinhelpingtodeterminewhetherornotthecompanyviolatedIndustryStandardNo.42w henitfailedtocorrectthecontrol-panelproblem？
（A）Wastheaccidentserious？
（B）Wasthecontrol-panelproblemofatypethatisknowntoincidentthatanaccidentislikely？
（C）Sincetheaccident，hasthecompanydoneaspecialsafetycheckonallcontrolpanels？
（D）Didthesafetyinspectormentionmorethanoneprobleminthesamereport？
（E）Howlongwasthecontrolpanelinusebeforetheproblemwasdiscovered？
9.Riothamus，afifth-centurykingoftheBritons，wasbetrayedbyanassociate，foughtbravelyagainsttheGothsbutwasdefeated，anddisappearedmysteriously.
Riothamus，matchalmostexactlythoseattributedtoKingArthur.Therefore，Riothamusmustbethehistoric almodelforthelegendaryKingArthur.
Theargumentaboverequiresatleastoneadditionalpremise.Whichofthefollowingcouldbesucharequire dpremise？
（A）ModernhistorianshavedocumentedtheactivitiesofRiothamusbetterthanthoseofanyotherfifth-centuryking.
（B）ThestoriestoldaboutKingArthurarenotstrictlyfictitiousbutarebasedonahistoricalpersonandhistorical events.
（C）Riothamus‘a(chǎn)ssociatesweretheauthorsoftheoriginallegendsaboutKingArthur.
（D）Legentsaboutthefifthcenturyusuallyembellishandromanticizetheactualconditionsofthelivesoffifth-centurynobility.
（E）Posterityusuallyrememberslegendsbetterthanitrememberstheactualhistoricaleventsonwhichtheyar ebased.
10.Aworldwidebanontheproductionofcertainozone-destroyingchemicalswouldprovideonlyanillusionofprotection.Quantitiesofsuchchemicals，alreadyprod uced，existascoolantsinmillionsofrefrigerators.Whentheyreachtheozonelayerintheatmosphere，theirac tioncannotbehalted.Sothereisnowaytopreventthesechemicalsfromdamagingtheozonelayerfurther.
Whichofthefollowing，iftrue，mostseriouslyweakenstheargumentabove？
（A）Itisimpossibletomeasurewithaccuracythequantityofozone-destroyingchemicalsthatexistascoolantsinrefrigerators.
（B）Inmodernsocieties，refrigerationoffoodisnecessarytopreventunhealthyandpotentiallylife-threateningconditions.
（C）Replacementchemicalsthatwillnotdestroyozonehavenotyetbeendevelopedandwouldbemoreexpens ivethanthechemicalsnowusedascoolantsinrefrigerators.
（D）Evenifpeopleshouldgiveuptheuseofrefrigeration，thecoolantsalreadyinexistingrefrigeratorsareathrea ttoatmosphericozone.
（E）Thecoolantsinrefrigeratorcanbefullyrecoveredattheendoftheusefullifeoftherefrigeratorsandreused.
Question11——15
Agovernmentisassigningeachofsixembassyofficeworkers——Farr，Golden，Hayakawa，Inserra，Jones，andKovacs——toembassies.Therearefourembassies.EmbassiesLandMarelocatedincountrieswithdryclimates，wher easembassiesPandTarelocatedincountrieswithhumidclimates.Theofficeworkersmustbeassignedac cordingtothefollowingrules：
Eachembassymusthaveatleastoneoftheworkersassignedtoit.Atleastoneembassyinahumidclimatem usthaveatleasttwoworkersassigned
toit.GoldencannotbeassignedtothesameembassyasKovacs.Inserramustbeassignedtanembassyina dryclimates.Jonesmustbeassignedtoanembassyinahumidclimate.11.Whichofthefollowingisanaccep tableassignmentoftheworkerstotheembassies？
LMPT（A）Farr，GoldenInserra，KovacsHayakawaJones
（B）Golden，KovacsInserraJonesFarr，Hayakawa
（C）GoldenFarr，InserraKovacsJones，Hayakawa
（D）JonesGolden，InserraHayakawaFarr，Kovacs
（E）KovacsFarr，HayakawaInserraGolden，Jones
12.WhichofthefollowingmustbeassignedeithertoembassyLortoembassyM？
（A）Farr
（B）Golden
（C）Hayakawa
（D）Inserra
（E）Kovacs
13.WhichofthefollowingCANNOTbetrue？
（A）OneworkerisassignedtoL.
（B）TwoworkersisassignedtoP.
（C）TwoworkersareassignedtoL.
（D）ThreeworkersareassignedtoM.
（E）ThreeworkersareassignedtoT.
14.IfGoldenandKovacsareassignedtoLandM，respectively，whichofthefollowingmustbetrue？
（A）FarrisassignedtoeitherPorT.
（B）InserraisassignedtoeitherPorT.
（C）PandTeachhavetwoworkersassignedtothem.
（D）HayakawaisassignedtoL.
（E）HayakawaisassignedtoT.
15.IfGolden，Hayakawa，andKovacsareamongtheworkersassignedtoembassiesinhumidclimayes，whichofthefollowingmustbetrue？
（A）Farrisassignedtoanembassytowhichnoneoftheotherfiveofficeworkersisassigned.
（B）Goldenisassignedtoanembassytowhichnoneoftheotherfiveofficeworkersisassigned.
（C）JonesisassignedtothesameembassyasGolden.
（D）HayakawaisassignedtothesameembassyasGolden.
（E）HayakawaisassignedtothesameembassyasKovacs.
Question16——19
Avolunteerusesatrucktopickupdonationsofunsoldfoodandclothingfromstoresandtodeliverthemtoloc ationswheretheycanbedistributed.Hedrivesonlyalongacertainnetworkofroads.
Inthenetworktherearetwo-wayroadsconnectingeachofthefollowingpairsofpoints：1with2，1with3，1with5，2with6，3with7，5with6，and 6with7.Therearealsoone-wayroadsgoingfrom2to4，from3to2，andfrom4to3.Therearenootherroadsinthenetwork，andtheroadsint henetworkdonotintersect.
Tomakeatripinvolvingpickupsanddeliverirs，thevolunteeralwaystakesaroutethatforthewholetrippasse sthroughthefewestofthepoints1through7，countingapointtwiceifthevolunteerpassesthroughittwice.
Thevolunteer‘shomeisatpoint3.Donationscanbepickedupatasupermarketatpoint1，aclothingstoreatpoint5，andabak eryatpoint4.Deliveriescanbemadeasneededtoatutoringcenteratpoint2，adistributioncenteratpoint6，a ndashelteratpoint7.
16.Ifthevolunteerstartsatthesupermarketandnextistogototheshelter，thefirstintermediatepointhisrpute passesthroughmustbe
（A）2
（B）3
（C）5
（D）6
（E）7
17.If，startingfromhome，thevolunteernextistomakepickupsfortheshelteratthesupermarketandthebake ry（ineitherorder），thefirsttwointermediatepointsonhisroute，beginningwiththefirst，mustbe
（A）1and2
（B）1and3
（C）2and1
（D）2and4
（E）4and2
18.If，startingfromtheclothingstore，thevolunteernextistopickupbreadateitherthesupermarketorthebak ery（whicheverstopmakeshisroutegothroughthefewestofthepoints）andthenistogototheshelter，thefirsttwopointshereachesaftertheclothingstore，beginningwiththefirst，m ustbe
（A）1and2
（B）1and3
（C）4and2
（D）6and2
（E）6and4
19.Ifthevolunteeristomakeatripstartingattheshelter，nextgoingtothebakeryforapickup，andthenending atthedistributioncenter，thefirsttwointermediatepointsonhisroute，beginningwiththefirst，canbe
（A）3and1
（B）3and4
（C）4and2
（D）6and2
（E）6and5
Question20——22
Adeveloperisplanningtobuildahousingcomplexonanemptytractofland.Exactlysevendifferentstylesofh ouses——Q，R，S，T，W，X，andZ——willbebuildinthecomplex.Thecomplexwillcontainseveralblocks，andthedeveloperplanstoputhousesofa tleastthreedifferentstylesoneachblock.Thedeveloperwillbuildthecomplexaccordingtothefollowingrule s：
AnyblockthathasstyleZonitmustalsohavestyleWonit.
AnyblockadjacenttoonethathasonitbothstyleSandstyleXmusthaveonit
styleTandstyleZ.
NoblockadjacenttoonethathasonitbothstyleRandstyleZcanhaveonit
eitherstyleTorstyleW.
NoblockcanhaveonitbothstyleSandstyleQ.
20.Whichofthefollowingcanbethecompleteselectionofhousestyleonablock？
（A）Q，R，S（B）Q，S，X（C）R，T，Z（D）S，W，Z（E）T，X，Z
21.Whichofthefollowingcanbethecompleteselectionofhousestyleonablock？
（A）Q（B）R（C）S（D）W（E）X
22.Whichofthefollowingcanbethecompleteselectionofhousestyleforablockthatisadjacenttoexactlyon eblock，ifthatoneblockhasonitstyleS，T，W，andXonly？
（A）S，T，andX（B）T，X，andZ（C）R，S，X，andZ（D）S，T，W，andX（E）T，W，X，andZ
23.Whenanosprey（afish-eatinghawk）returnafromfishingtoitsnestingareawithafishlikeanalewife，apollack，orasmelt，otherospreyswillretracei tsflightpathinhopesofgoodfishing.Thereisseldomsucharesponseifthefirstbirdbringsbackawinterfloun der.Yetospreysfeedonwinterflounderjustasreadyasodanyotherfish.
Whichofthefollowing，iftrue，contributesmosttoanexplanationofthefishingbehaviorofospreysasitisdesc ribedabove？
（A）Ospreysareseldomabletocatchalewives，pollack，orsmelt.
（B）Alewives，pollack，andsmaltmoveinschools，butwinterflounderdonot.
（C）Winterflounderprefershallowerwatersthandoalewives，pollack，orsmelt.
（D）Winterflounderpreferandpollackexhibitprotectivecoloration，butalewivesandsmeltdonot.
（E）Ospreysthatliveinnestingareaareespeciallysuccessfulfishers.
24.Arecentstudyofaninsurancecompany‘sunderwritersindicatethatthosewhoworkedinpleasantphysicalsurroundingswere25percentmorepro ductivethantheirpeersinunpleasantphysicalsurroundings.Objectivecriteriaforevaluatingjobperform anceincludedcaseloadandcomplexityofcases.Thisshowsthatimprovingworkers’enviromentsincreasesthoseworkers‘productivity.
Whichofthefollowing，iftrue，mostseriouslyweakenstheconclusionabove？
（A）Onaverage，less-productiveemployeesspendnofewerhoursperdayat theirworkstationsthandotheirmore-productivepeers.
（B）Unpleasantsurroundingsgiveemployeeslessmotivationtoworkhardthan morepleasantsurroundingsdo.
（C）Themore-productiveemployeesaregenerallyrewardedwithpleasantoffice space.
（D）More-productiveemployeesdonotworkanymorehoursthantheir less-productivepeers.
（E）Peerpressurediscouragesemployeesincrowed，unpleasantsurroundings frommakingphonecallstotheirownfamilymembersduringworktime.
25.Inacertaincountry，individualtendtochangetheirpoliticalaffiliationreadilyfromonepoliticalpartyto another.InthepasttheUnionpartygrewlargerbecauseofthistendency，butalthoughmostofthosewho changetoanewpartyaffiliationchangetotheUnionparty，theUnionpartyhasremainedaboutthesame sizeinrecentyears.
Whichofthefollowing，iftrue，besthelpstoexplainthechangeinthegrowthpatternoftheUnionpartymen tionedabove？
（A）Theeconomyhasbeenprosperingrecently，andmanyofthosewhochange partyaffiliationareupwardlymobileandproperous.
（B）Inrecentyeasthosewhowerepreviouslynonaffiliatedhavetendedtojoin theUnionpartyiftheyjoinedanypartyatall.
（C）Thepercentageofvoting-agecitizenswhochangepoliticalpartyaffiliation eachyearhasremainedconstant，andthenumberofvoting-agecitizens hasremainedthesame.
（D）Thepercentageofvoting-agecitizenswhoareaffiliatedwithanypolitical partyhasincreasedoverthelasttenyears.
（E）ManymembersoftheUnipnpartyhaveabandonedallpoliticalparty affiliationinrecentyears.